Home / 126,816.90-190,218.81-42,577.71

Finding the Fourth Proportional to 126,816.90, 190,218.81 and 42,577.71

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Solution

The fourth proportional to 126,816.90, 190,218.81 and 42,577.71 is: 63,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,816.90 : 190,218.81 = 42,577.71 : x
  2. Step 2: Convert to fraction form
    126,816.90/190,218.81 = 42,577.71/x
  3. Step 3: Cross multiply
    126,816.90x = 190,218.81 × 42,577.71
  4. Step 4: Simplify right side
    126,816.90x = 8,099,081,328.73
  5. Step 5: Solve for x
    x = 8,099,081,328.73/126,816.90
  6. Step 6: Final answer
    x = 63,864.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.